Quick answers
- Does Rigoberto Garza accept Medicare assignment?
- Yes. Medicare's clinician data says Rigoberto Garza accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Rigoberto Garza see?
- In 2024, CMS data shows 42 Original Medicare patients and 4,006 services for Rigoberto Garza. This counts Original Medicare only and measures volume, not quality.
- What is Rigoberto Garza's NPI number?
- 1144679556. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Rigoberto Garza, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 42 |
|---|---|
| Services billed to Medicare | 4,006 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,312 services
- Test for allergy using allergenic extract injected into skin (95024)370 services
- Test to measure expiratory airflow and volume (94010)34 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)32 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)24 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure69%
- Asthma45%
- Ischemic heart disease40%
- Arthritis38%
- Diabetes36%
Practice locations
Addresses where Rigoberto Garza is enrolled with Medicare (CMS data updated October 2, 2026).
- 1713 Treasure Hills Blvd, 1bHarlingen, TX 78550 (956) 425‑9240
Group practices
Medicare enrollment lists Rigoberto Garza as a member of this group (CMS data updated October 2, 2026).
- William R McKenna MD PA2 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in William R McKenna MD PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144679556 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians